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v3.22.1

Share-Based Compensation - Stock Options (Details) | 3 Months Ended | 17 Months Ended | 38 Months Ended | 122 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2022 USD ($) $ / shares shares | Mar. 31, 2022 USD ($) $ / shares shares | Mar. 31, 2022 USD ($) $ / shares shares | Mar. 31, 2022 USD ($) $ / shares shares
Additional disclosures |  |  |  |
Intrinsic value of stock option shares exercised | $ | $ 418,000 |  |  |
2004 plan |  |  |  |
Additional disclosures |  |  |  |
Granted (in shares) |  |  |  | 0
2012 plan |  |  |  |
Additional disclosures |  |  |  |
Granted (in shares) |  |  | 0 |
2019 plan |  |  |  |
Additional disclosures |  |  |  |
Granted (in shares) |  | 0 |  |
2020 plan |  |  |  |
Share-Based Compensation |  |  |  |
Number of shares registered | 2,072,245 | 2,072,245 | 2,072,245 | 2,072,245
Stock Options |  |  |  |
Share-Based Compensation |  |  |  |
Vesting percentage | 25.00% |  |  |
Vesting period | 4 years |  |  |
Expiration period | 10 years |  |  |
Number of shares |  |  |  |
Outstanding at the beginning of the period (in shares) | 185,125 |  |  |
Assumed stock options and warrants from ACBI merger (in shares) | 23,410 |  |  |
Exercised (in shares) | (9,703) |  |  |
Expired (in shares) | (14) |  |  |
Outstanding at the end of the period (in shares) | 198,818 | 198,818 | 198,818 | 198,818
Exercisable at the end of the period (in shares) | 198,818 | 198,818 | 198,818 | 198,818
Weighted-Average Exercise Price |  |  |  |
Outstanding at the beginning of the period (in dollars per share) | $ / shares | $ 63.03 |  |  |
Assumed stock options and warrants from ACBI merger (in dollars per share) | $ / shares | 40.73 |  |  |
Exercised (in dollars per share) | $ / shares | 42.25 |  |  |
Expired (in dollars per share) | $ / shares | 33.02 |  |  |
Outstanding at the end of the period (in dollars per share) | $ / shares | 61.42 | $ 61.42 | $ 61.42 | $ 61.42
Exercisable at the end of the period (in dollars per share) | $ / shares | $ 61.42 | $ 61.42 | $ 61.42 | $ 61.42
Weighted-Average Remaining Contractual Life |  |  |  |
Outstanding at the end of the period | 3 years 9 months 10 days |  |  |
Exercisable at the end of the period | 3 years 9 months 10 days |  |  |
Aggregate Intrinsic Value |  |  |  |
Outstanding at the end of the period | $ | $ 4,554,000 | $ 4,554,000 | $ 4,554,000 | $ 4,554,000
Exercisable at the end of the period | $ | $ 4,554,000 | 4,554,000 | 4,554,000 | 4,554,000
Additional disclosures |  |  |  |
Granted (in shares) | 0 |  |  |
Total unrecognized compensation cost related to non vested stock option grants | $ | $ 0 | $ 0 | $ 0 | $ 0

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